easy Set 24 Form Exercise

__ + 90 = 100

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Answer: 10

SubType
complement-of-10
Total
100
KnownAddend
90
Difficulty
normal

__ + 18 = 20

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Answer: 2

SubType
complement-of-10
Total
20
KnownAddend
18
Difficulty
normal

__ + 21 = 100

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Answer: 79

SubType
complement-of-10
Total
100
KnownAddend
21
Difficulty
normal

What number + 21 = 100?

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Answer: 79

SubType
complement-of-10
Total
100
KnownAddend
21
Difficulty
normal

Find the complement to 100: 99 + __ = 100

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Answer: 1

SubType
complement-of-10
Total
100
KnownAddend
99
Difficulty
normal

__ + 14 = 20

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Answer: 6

SubType
complement-of-10
Total
20
KnownAddend
14
Difficulty
normal

Find the complement to 100: 14 + __ = 100

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Answer: 86

SubType
complement-of-10
Total
100
KnownAddend
14
Difficulty
normal

__ + 5 = 20

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Answer: 15

SubType
complement-of-10
Total
20
KnownAddend
5
Difficulty
normal

Find the complement to 20: 15 + __ = 20

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Answer: 5

SubType
complement-of-10
Total
20
KnownAddend
15
Difficulty
normal

__ + 13 = 20

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Answer: 7

SubType
complement-of-10
Total
20
KnownAddend
13
Difficulty
normal

What number + 96 = 100?

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Answer: 4

SubType
complement-of-10
Total
100
KnownAddend
96
Difficulty
normal

__ + 1 = 10

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Answer: 9

SubType
complement-of-10
Total
10
KnownAddend
1
Difficulty
normal

__ + 6 = 10

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Answer: 4

SubType
complement-of-10
Total
10
KnownAddend
6
Difficulty
normal

__ + 6 = 20

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Answer: 14

SubType
complement-of-10
Total
20
KnownAddend
6
Difficulty
normal

What number + 18 = 20?

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Answer: 2

SubType
complement-of-10
Total
20
KnownAddend
18
Difficulty
normal

__ + 11 = 20

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Answer: 9

SubType
complement-of-10
Total
20
KnownAddend
11
Difficulty
normal

Find the complement to 100: 47 + __ = 100

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Answer: 53

SubType
complement-of-10
Total
100
KnownAddend
47
Difficulty
normal

Find the complement to 10: 6 + __ = 10

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Answer: 4

SubType
complement-of-10
Total
10
KnownAddend
6
Difficulty
normal